SB2026052680 - Red Hat Enterprise Linux 8 update for libexif

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Main Vulnerability Database SB2026052680

SB2026052680 - Red Hat Enterprise Linux 8 update for libexif

Published: May 26, 2026

Security Bulletin ID SB2026052680
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Buffer Over-read (CVE-ID: CVE-2026-40385)

CWE-ID: CWE-126 - Buffer over-read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to cause a denial of service or disclose sensitive information.

The vulnerability exists due to buffer over-read in Nikon MakerNotes processing when decoding or displaying Exif data with MakerNotes on 32-bit systems. A remote attacker can supply specially crafted Exif data to cause a denial of service or disclose sensitive information.

Only 32-bit systems are affected.


2) Out-of-bounds read (CVE-ID: CVE-2026-40386)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to out-of-bounds read in Olympus and Fuji MakerNotes decoders when parsing EXIF data. A remote attacker can supply specially crafted EXIF data to cause a denial of service.


Remediation

Install update from vendor's website.

References